God is infinitely greater than all his works: "You have set your Glory above the heavens." 156 Indeed, God's "greatness is unsearchable". 157 But because he is the free and sovereign Creator, the first cause of all that exists, God is present to his Creatures' inmost being: "In him we live and move and have our being." 158 In the words of St. Augustine, God is "higher than my highest and more inward than my innermost self". 159